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17964-79-3

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17964-79-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17964-79-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,6 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17964-79:
(7*1)+(6*7)+(5*9)+(4*6)+(3*4)+(2*7)+(1*9)=153
153 % 10 = 3
So 17964-79-3 is a valid CAS Registry Number.

17964-79-3Relevant articles and documents

Potassium Alkylpentafluorosilicates, Primary Alkyl Radical Precursors in the C-1 Alkylation of Tetrahydroisoquinolines

Wang, Teng,Wang, Dong-Hui

supporting information, p. 3981 - 3985 (2019/06/14)

In this study, we demonstrate that potassium alkylpentafluorosilicates (RSiF5K2) are efficient primary alkyl radical precursors for selective C(sp3)-C(sp3) bond-forming reactions. RSiF5K2 reagents are white, free-flowing solids and are moisture and air stable. This class of reagents enables the direct C-1 alkylation of tetrahydroisoquinolines under mild conditions via single-electron transfer. The broad substrate scope of both alkylpentafluorosilicates and tetrahydroisoquinolines is tolerated in this transformation. Both radical scavenger and EPR capture experiments show that the primary radical is generated by the oxidation of RSiF5K2. A mechanism involving alkyl radical addition to an iminium salt followed by reduction by an amine is proposed.

ACTIVATED HALO-CONTAINING ARALKYLSILANE COMPOSITION, PROCESS OF PREPARING SAME AND RUBBER COMPOSITIONS MADE THEREFROM

-

, (2010/03/02)

The invention is directed to an activated halo-containing aralkylsilanes possessing at least one hydrolyzable group bonded to a silicon atom and at least one halo functional group bonded to a carbon atom to which both the silicon atom and an aromatic group are covalently bonded. The invention is also directed to a process for making such a silane as well as its use in rubber compositions and articles containing such rubber compositions, such as tires.

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